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Subjects
Science State Board
Class 6
Our environment
Ecosystem and pollution
2.
Flow of energy and trophic levels
Exercise condition:
2
m.
Choose the correct answer:
1
.
Sequence of living creatures which represent who eats whom in an ecosystem
-
trophic level
food chain
food web
none of the above
2
.
Nutrient-rich material supplied through decomposition of wastes by decomposers
-
vermicompost
all of the above
manure
humus
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